Other Consolidated Financial Statement Detail - Gain (Loss) on Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net (gains) losses recognized on equity securities	$ 19.7	$ 100.4	$ 275.2
Less: Net (gains) losses realized on equity securities	1.5	(2.0)	5.2
Net unrealized (gains) losses recognized on equity securities	$ 18.2	$ 102.4	$ 270.0